Gartner defines the security consulting market as security-specific advisory services to help companies analyze and improve efficiency of business operations and technology strategies for security. Security consulting services include security-related business and IT consulting and security assurance; it excludes security audit work that results in attestation of security controls.

“Deloitte’s top ranking, based on aggregate global revenue, is particularly noteworthy because clients spend their money wisely and invest in quality,” said Adel Melek, Managing Director for Global Enterprise Risk Services at DTTL. “We believe this report provides tangible evidence that clients value Deloitte’s security consulting services above and beyond those of other service providers.”

The security consulting service market grew 5.8 percent from 2011 to 2012, driven largely by advanced attacks, incident response and mobile security demands. Audit firms accounted for the largest overall revenue growth in the marketplace from 2011 to 2012 since they command the greatest overall portion of revenue in the market1.

“Increasingly sophisticated cyber-attacks have become the norm,” said Ted DeZabala, Global Leader for Security, Privacy, and Resiliency at DTTL. “With state-sponsored cyber-terrorism and corporate espionage on the rise, multinational organizations need a consultant that can handle the scale and complexity of their cyber security needs. This is where Deloitte excels.”

Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee, and its network of member firms, each of which is a legally separate and independent entity. Please see www.deloitte.com/about for a detailed description of the legal structure of Deloitte Touche Tohmatsu Limited and its member firms.

Deloitte provides audit, tax, consulting, and financial advisory services to public and private clients spanning multiple industries. With a globally connected network of member firms in more than 150 countries, Deloitte brings world-class capabilities and high-quality service to clients, delivering the insights they need to address their most complex business challenges. Deloitte has in the region of 200,000 professionals, all committed to becoming the standard of excellence

Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms, and their related entities. DTTL (also referred to as “Deloitte Global”) and each of its member firms and their affiliated entities are legally separate and independent entities. DTTL does not provide services to clients. Please see www.deloitte.com/about to learn more.